Class / Patent application number | Description | Number of patent applications / Date published |
525431000 | Mixed with silicon containing reactant or polymer derived from | 17 |
20090156754 | Thermally Reversible Composite Material - The present invention discloses a thermally reversible composite material. The thermally reversible composite material comprises a Polyhedral Oligomeric Silsesquioxane (POSS) and a cross-linking agent. The Polyhedral Oligomeric Silsesquioxane comprises a plurality of dienophile groups. The cross-linking agent comprises at least two conjugated diene groups. The cross-linking agent interacts with the plurality of dienophile groups of the POSS though the conjugated diene groups to perform a thermally reversible Diels-Alder cycloaddition cross-linking reaction. The invention is applied as thermally reversible package materials. | 06-18-2009 |
20090264602 | Curable Resin Composition and Cold Setting Adhesive - Disclosed is a moisture-curing type curable resin composition containing: a curable resin intramolecularly having a silicon-containing functional group; and a Lewis acid or a complex of the Lewis acid as a curing catalyst, the Lewis acid being selected from the group consisting of metal halides and boron halides, which is rapidly cured at room temperature. The silicon-containing functional group is represented by general formula: —SiX | 10-22-2009 |
20090318629 | POLYSILOXANE-POLYCARBONATE COMPOSITIONS, AND RELATED METHODS AND ARTICLES - A composition, comprising, based on the total weight of the polymer components in the composition, 1 to 40 wt. % of an aromatic polycarbonate, 30 to 98.8 wt. % of a polysiloxane-polycarbonate block copolymer, and 0.1 to 10 wt. % of a polysiloxane-polyimide block copolymer comprising more than 20 wt. % polysiloxane blocks, based on the total weight of the polysiloxane-polyimide copolymer. The compositions provide articles with low haze, high luminous transmittance, and good hydro-aging properties. The articles can further be formulated to have excellent flame retardance, particularly when KSS is used. | 12-24-2009 |
20110021718 | SYNTHESIS OF HYBRID BLOCK COPOLYMERS AND USES THEREOF - The present invention relates to the field of polymer chemistry and more particularly to multiblock copolymers and methods of preparing the same. | 01-27-2011 |
20110118422 | LIQUID CRYSTAL ALIGNING AGENT, METHOD OF PRODUCING A LIQUID CRYSTAL ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention relates to a liquid crystal aligning agent which contains at least one selected from the group consisting of a polysiloxane having a structure represented by the following formula (S-0) and synthesized through the step of hydrolyzing or hydrolyzing/condensing a silane compound in the presence of an alkali metal compound or an organic base, a hydrolysate thereof and a condensate of the hydrolysate: | 05-19-2011 |
20110263798 | BRANCHED POLYDIORGANOSILOXANE POLYAMIDE COPOLYMERS - Branched polydiorganosiloxane polyamide, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting one or more amine compounds including at least one polyamine with a precursor having at least one polydiorganosiloxane segment and at least two ester groups. | 10-27-2011 |
20120149851 | SEPARATING AGENT FOR OPTICAL ISOMERS - To provide a novel separating agent for optical isomers based on a polymer having an optically active moiety, provided is a separating agent for optical isomers formed of: a helical polymer obtained by using an aromatic isonitrile as a monomer having an amide group in which an optically active amino acid is amide-bonded to an aromatic ring; and a carrier for carrying the helical polymer by being chemically bonded to an end of the helical polymer. | 06-14-2012 |
20120190802 | POLYIMIDE POLYMER FROM NON-STOICHIOMETRIC COMPONENTS - A process for adjusting polyimide polymer properties includes combining monomers in a reaction mass to form a polyimide precursor. A property modifying moiety which is covalently bonded to an amine is then added to the reaction mass, and the reaction between the amine bonded to the property modifying moiety and the polyimide precursor is arrested before equilibrium. The polyimide precursor is imidized to form a polyimide polymer prior to equilibrium. The property modifying moiety can be evenly dispersed in the resulting polyimide polymer | 07-26-2012 |
20130109815 | PROCESS FOR MAKING POLYSILOXANE/POLYIMIDE COPOLYMER BLENDS | 05-02-2013 |
20130131282 | PRODUCTION METHOD OF POLYHYDROXYIMIDE AND POSITIVE PHOTOSENSITIVE RESIN COMPOSITION CONTAINING POLYHYDROXYIMIDE OBTAINED BY THE PRODUCTION METHOD - There is provided a simple production method of polyhydroxyimide and a positive photosensitive resin composition containing the polyhydroxyimide. A production method of a polyhydroxyimide comprising: adding an acid component that is at least one type of carboxylic acid having a pKa of 0 to 5 to a polyhydroxyimide precursor of Formula (1): | 05-23-2013 |
20140031499 | COMPOSITION INCLUDING POLYIMIDE BLOCK COPOLYMER AND INORGANIC PARTICLES, METHOD OF PREPARING SAME, ARTICLE INCLUDING SAME, AND DISPLAY DEVICE INCLUDING THE ARTICLE - Disclosed is a polyimide composition including a copolymer including first and/or second repeating unit including an imide repeating unit, or an amic acid repeating unit to form an imide repeating unit through imidization, and a third repeating unit including an amid repeating unit, wherein at least one terminal end of the copolymer is substituted with a substituted or unsubstituted siloxane or silanol group; and an inorganic particle or a precursor thereof. | 01-30-2014 |
20150094429 | POLYBENZOXAZOLE MEMBRANES FROM SELF-CROSS-LINKABLE AROMATIC POLYIMIDE MEMBRANES - A method of making a polybenzoxazole (PBO) membrane from a self-cross-linked aromatic polyimide polymer membrane is provided. These membranes are useful in the separation of gas mixtures and liquid mixtures. The PBO membrane is made by fabricating a self-cross-linkable aromatic polyimide polymer membrane comprising both hydroxyl functional groups and carboxylic acid functional groups; cross-linking the polymer to form a self-cross-linked aromatic polyimide polymer membrane by heating the membrane at 250° to 300° C. under an inert atmosphere; and thermal heating the self-cross-linked aromatic polyimide polymer membrane at a temperature from about 350° to 500° C. under an inert atmosphere to convert the self-cross-linked aromatic polyimide polymer membrane into a PBO membrane. A membrane coating step may be added by coating the selective layer surface of the PBO membrane with a thin layer of high permeability material. | 04-02-2015 |
20150318074 | DIELECTRIC ELECTROACTIVE POLYMERS COMPRISING AN IONIC SUPRAMOLECULAR STRUCTURE - The present invention relates to an ionic interpenetrating polymer network comprising at least one elastomer and an ionic supramolecular structure comprising the reaction product of at least two chemical compounds wherein each of said compounds has at least two functional groups and wherein said compounds are able to undergo Lewis acid-base reactions. The interpenetrating polymer network may be used as dielectric electroactive polymers (DEAPs) having a high dielectric permittivity. | 11-05-2015 |
20160023408 | FIBER-REINFORCED COMPOSITE ARTICLES MADE FROM FIBERS HAVING COUPLING-INITIATOR COMPOUNDS AND METHODS OF MAKING THE ARTICLES - Methods of making a fiber-reinforced composite article are described. The methods may include providing fibers to an article template, where the fibers have been treated with a coupling-initiator compound. They may further include providing a pre-polymerized mixture that includes a monomer and a catalyst to the article template. The combination of the fibers and the pre-polymerized mixture may be heated to a polymerization temperature where the monomers polymerize around the fibers and form at least a portion of the composite article. The article may then be removed from the article template. Examples of the fiber-reinforced composite articles may include wind turbine blades for electric power generation. | 01-28-2016 |
20160053057 | POLYDIORGANOSILOXANE POLYOXAMIDE COPOLYMERS - Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB) | 02-25-2016 |
20160159987 | POLYDIORGANOSILOXANE POLYMIDE COPOLYMERS HAVING ORGANIC SOFT SEGMENTS - Polydiorganosiloxane polyamide, block copolymers having organic soft segments and methods of making the copolymers are provided. | 06-09-2016 |
20180022875 | COMPOSITION AND POLYAMIDEIMIDE COMPOSITE AND POLYAMIDEIMIDE FILM AND ELECTRONIC DEVICE | 01-25-2018 |